package com.sky.mapper;

import com.github.pagehelper.Page;
import com.sky.dto.SetmealPageQueryDTO;
import com.sky.entity.Setmeal;
import com.sky.entity.SetmealDish;
import com.sky.vo.SetmealVO;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Select;

import java.util.List;

@Mapper
public interface SetmealDishMapper {

    /*
    根据菜品id查套餐id
    * */
    List<Long> getSetmealIdsByDishIds(List<Long> dishIds);

    /*
     *
     * 批量保存套餐与菜品的关系*/
    void insertBatch(List<SetmealDish> setmealDishes);

    /*
     *
     * 分页查询*/
    Page<SetmealVO> pageQuery(SetmealPageQueryDTO setmealPageQueryDTO);


    /*
     *
     * 根据套餐id删除套餐和菜品的关联关系*/
    @Delete("delete from setmeal_dish where setmeal_id = #{setmealId}")
    void deleteBySetmealId(Long setmealId);

    /*
    * 根据套餐id查询套餐和菜品的关联关系
    * */
    @Select("select * from setmeal_dish where setmeal_id=#{setmealId}")
    List<SetmealDish> getBySermealId(Long setmealId);

    /*
    * 根据菜品id查询关联套餐
    * */
    @Select("select a.* from setmeal a left join setmeal_dish b on a.id=b.setmeal_id where b.dish_id=#{dishId}")
    List<Setmeal> getByDishId(Long dishId);
}
